<template>
  <div class="my-counter">
    <button type="button" class="btn btn-light" @click="del">-</button>
    <input type="number" class="form-control inp" v-model="num.goods_count" />
    <button type="button" class="btn btn-light" @click="add">+</button>
  </div>
</template>

<script>
export default {
  props: {
    num: {
      typr: Object,
      required: true,
    },
  },

  methods: {
    del() {
      this.num.goods_count--;
    },

    add() {
      this.num.goods_count++;
    },
  },

  watch: {
    num: {
      deep: true,
      handler() {
        if (this.num.goods_count < 0) {
          this.num.goods_count = 0;
        }
      },
    },
  },
};
</script>

<style lang="less" scoped>
.my-counter {
  display: flex;

  .inp {
    width: 45px;
    text-align: center;
    margin: 0 10px;
  }

  .btn,
  .inp {
    transform: scale(0.9);
  }
}
</style>
